diff --git a/pkg/shsh/.parsers.go.swp b/pkg/shsh/.parsers.go.swp
index 38eb4f4..71ddc8d 100644
Binary files a/pkg/shsh/.parsers.go.swp and b/pkg/shsh/.parsers.go.swp differ
diff --git a/pkg/shsh/parsers.go b/pkg/shsh/parsers.go
index 7ba839f..b2b7129 100644
--- a/pkg/shsh/parsers.go
+++ b/pkg/shsh/parsers.go
@@ -21,11 +21,29 @@ const (
 )
 
 func Parse(arg *Token) {
+    switch arg.tag {
+    case LIST_T:
+        for i := arg; i; i = i.next {
+            Parse(i)
+        }
 
+        if list_is_operation(arg) {
+            arg.tag = OPERATION_T
+        }
+
+    case OPERAND_T:
+        if string_is_operator(arg._inner) {
+            arg.tag = OPERATOR_T
+        }
+
+    default:
+        ;// TODO: Tag a parse error?
+    }
 }
 
 func string_delimiters_valid(arg string) bool {
-
+    // TODO: Enhance this function
+    go
 }
 
 func list_is_operation(arg *Token) bool {
diff --git a/pkg/shsh/token.go b/pkg/shsh/token.go
index 3617794..79cd1e6 100644
--- a/pkg/shsh/token.go
+++ b/pkg/shsh/token.go
@@ -32,11 +32,13 @@ func Lex(input string) Token {
             if is_list {
                 // TODO: Pass a pointer out of Lex and store a pointer
                 *iter._inner = Lex(tok.String())
+                *iter.tag = LIST_T
                 is_list = false
 
             } else {
                 // TODO: Store a pointer to the contents of the stringbuilder
                 *iter._inner = tok.String()
+                *iter.tag = OPERAND_T
             }
 
             iter_alloced = true